The org.json package is a library used for handling JSON (JavaScript Object Notation) data in Java. It is designed to work with JSON formatted data, enabling easy manipulation and parsing of JSON data streams.
The JSONObject class in this package provides a method 'remove' to remove a key-value pair from JSON object. This function is useful when you want to remove a specific key-value pair from a JSON object.
Here is an example of how to use the remove() method:
JSONObject obj = new JSONObject("{\"name\":\"John\", \"age\":30, \"city\":\"New York\"}"); obj.remove("city"); System.out.println(obj);
In this example, we first create a new JSONObject and assign it to the variable 'obj'. Then, we remove the value for the key "city" using the remove method. Finally, we print out the updated object to ensure that the key-value pair has been removed.
Another example:
JSONObject obj = new JSONObject("{\"name\":\"John\", \"age\":30, \"city\":\"New York\"}"); obj.remove("name").remove("age"); System.out.println(obj);
In this example, we remove the values for both "name" and "age" keys by chaining two remove() method calls.
The org.json package is available from the org.json library maintained by Douglas Crockford.
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